Pith Number

pith:JTJHHB5Y

pith:2025:JTJHHB5YT6UVNPQB5C4LKIO63K

not attested not anchored not stored refs pending

Efficient Search for Extremely Metal Poor Galaxies in the Local Universe using Convolutional Neural Networks

Ryan J. Cooke, Ting-Yun Cheng

arxiv:2502.01638 v1 · 2025-02-03 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JTJHHB5YT6UVNPQB5C4LKIO63K}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T10:08:57.385695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cd27387b89fa956be01e8b8b521dedaa052d226f0cb544306a682465dd874c2

Aliases

arxiv: 2502.01638 · arxiv_version: 2502.01638v1 · doi: 10.48550/arxiv.2502.01638 · pith_short_12: JTJHHB5YT6UV · pith_short_16: JTJHHB5YT6UVNPQB · pith_short_8: JTJHHB5Y

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JTJHHB5YT6UVNPQB5C4LKIO63K \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4cd27387b89fa956be01e8b8b521dedaa052d226f0cb544306a682465dd874c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73a6f904316c296cdea2936601dfcee82506f002e3f1f431c2bc02f91e348059",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-03T18:59:43Z",
    "title_canon_sha256": "1730aa2bcf295db5c8760e16b85a511e6a9948ac7380e3684255b1e8cfbfd533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01638",
    "kind": "arxiv",
    "version": 1
  }
}